JX Servo PS-5521MG

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Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	PS-5521MG
Category	Hobby
Performance
Torque	6.0V 282.24 oz-in 4.8V 239.60 oz-in Top 10%
Speed	6.0V 0.16 sec/60° 4.8V 0.18 sec/60° Average
Physical
Weight	1.96 ozBelow Average
Dimensions	L 1.59 in W 0.80 in H 1.496 in
Drivetrain
Motor Type	Cored
Gears	Metal
Gear Spline/Teeth	25 T
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Analog
Neutral Position	1520 µs
Dead Band	7 µs
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal)
Wire Length	265 mm

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Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Top 10% Stronger than 99% of 192 Analog Standard servos at 4.8V
Speed	Average Faster than 44% of 190 Analog Standard servos at 4.8V
Weight	Below Average Lighter than 26% of 448 Analog Standard servos

Performance Analysis

Shaft Power	2.46–3.26 W
Power Density	1.714 W/in³ More power-dense than 97% of 437 Analog Standard servos
Torque Density	4.3094 oz-in/g 4th-highest torque density of 192 Analog Standard servos
Torque-to-Volume Ratio	125.91 oz-in/in³ 3rd-highest torque-to-volume ratio of 192 Analog Standard servos
Speed-to-Weight	0.09992 (1/sec·g) Faster than 30% of 190 Analog Standard servos
Speed-Torque Trade-off	43.13 Better balanced than 97% of 190 Analog Standard servos
Torque Gain per Volt	14.83%/V More voltage-responsive (torque) than 47% of 145 Analog Standard servos
Speed Gain per Volt	10.43%/V More voltage-responsive (speed) than 13% of 147 Analog Standard servos
Voltage Range Width	1.2 V Wider voltage range than 11% of 229 Analog Standard servos